Republicans were favored to win control of the Senate and flipped seats in West Virginia, Montana and Ohio, while the battle for the House is on a knife-edge.

Republicans currently hold the majority in the House, while Democrats have the Senate. A handful of tight matchups could swing the balance of power.

Republicans won control of the US Senate amid a slew of victories by allies of Donald Trump, giving the GOP powerful leverage in high-stakes tax and spending battles next year.

A fter a hard-fought election cycle that brought hundreds of millions of dollars in outside spending into the mix, Republicans are expected to flip control of the Senate to their

Democrats’ path to take back control of the House of Representatives has narrowed as Republicans outperformed expectations up and down the ballot and Donald Trump retook the White House, but the outcome of dozens of races makes it too close to call as of early Wednesday morning.